electrical impulses
telegraph
proteins
hormonal
1 month
10 years
1 year
100 years
stem cells
muscle cells
prison cells
glial cells
nerve
wire
the brain
muscle
liver cells
skin cells
pyramidal neurons
multipolar neurons
bipolar neurons
Purkinje neurons
100 miles per hour
1 meter per second
150 meters per second
1 foot per second
True or False: Damage to your nervous system can cause paralysis.
they regenerate very quickly
they are very long compared to other cells in the body
they help carry oxygen to different parts of your body
they do not have a nucleus
brains
a nerve
spinal cord
all of the above